From: Krzysztof Kozlowski <krzk@kernel.org>
To: Lars Rask <lars.rask@axis.com>
Cc: Marcus Folkesson <marcus.folkesson@gmail.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org, kernel@axis.com
Subject: Re: [PATCH 1/2] drm/sitronix/st7571-spi: Add support for ST75156 controller
Date: Mon, 26 Oct 2026 08:24:26 +0100 [thread overview]
Message-ID: <e123e765-fdf7-418c-b8cf-e814a80c2488@kernel.org> (raw)
In-Reply-To: <20261026-dancing-beneficial-tuatara-d70263@quoll>
On 26/10/2026 08:23, Krzysztof Kozlowski wrote:
> On Thu, Oct 22, 2026 at 05:31:05PM +0200, Lars Rask wrote:
>> +
>> static int st7571_spi_probe(struct spi_device *spi)
>> {
>> struct st7571_device *st7571;
>> struct regmap *regmap;
>> + struct spi_device_data *spi_data;
>> +
>> + spi_data = devm_kzalloc(&spi->dev, sizeof(*spi_data), GFP_KERNEL);
>> + if (IS_ERR(spi_data))
>> + return dev_err_probe(&spi->dev, PTR_ERR(regmap),
>> + "Failed to initialize spi data\n");
>
> I do not see how you initialize spi data here, so this is just incorrect
> error message. Regardless, driver NEVER prints error messages for
> allocation.
>
... and you have there obvious build warning. Don't copy-paste code.
Best regards,
Krzysztof
next prev parent reply other threads:[~2026-10-26 7:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-22 15:31 [PATCH 0/2] Add support for st75156 in st7571 display driver Lars Rask
2026-10-22 15:31 ` [PATCH 1/2] drm/sitronix/st7571-spi: Add support for ST75156 controller Lars Rask
2026-10-23 9:46 ` kernel test robot
2026-10-26 7:23 ` Krzysztof Kozlowski
2026-10-26 7:24 ` Krzysztof Kozlowski [this message]
2026-10-22 15:31 ` [PATCH 2/2] dt-bindings: display: sitronix,st75156: add example for SPI Lars Rask
2026-10-26 7:21 ` Krzysztof Kozlowski
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